
/* procuctin产品介绍部分 */
.procuctin {
  background-color: #3e4349;
}
.procuctin .up {
  color: white;
  height: 60px;
  border-bottom: 1px solid #aaafb3;
  line-height: 60px;
  text-align: center;
}
.procuctin .down {
  line-height: 60px;
}
.procuctin .down {
  padding-bottom: 60px;
}
.procuctin .down h4 {
  color: white;
  line-height: 56px;
  text-align: center;
}
.introduction {
  width: 750px;
  height: 250px;
  margin-left: 25px;
  background-color: #898e92;
}
.fuwu {
  width: 400px;
  margin-left: 200px;
  display: flex;
  justify-content: space-around;
}
.fuwu span {
  width: 125px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  margin-top: 30px;
  color: #fff;
  justify-content: space-between;
  background-color: #656c74;
}
.fuwu span:hover {
  background-color: #a9aeb2;
}
